<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <script src="https://cdn.staticfile.org/react/16.4.0/umd/react.development.js"></script>
  <script src="https://cdn.staticfile.org/react-dom/16.4.0/umd/react-dom.development.js"></script>
  <script src="https://cdn.staticfile.org/babel-standalone/6.26.0/babel.min.js"></script>
  <title>Document</title>
</head>

<body>
  <div id="render"></div>
  <script type="text/babel">
    class Clock extends React.Component {
      constructor() {
        super()
        this.state = { name: "王狗子", age: 18 }
      }
      render() {
        return (
          <div>
            <Name name={this.state.name}></Name>
            <Age age={this.state.age}></Age>
          </div>
        )
      }

    }

    class Name extends React.Component {
      constructor() {
        super()
      }
      render() {
        return (
          <div>
            <h1>我叫{this.props.name}</h1>
          </div>
        )
      }
    }
    class Age extends React.Component {
      constructor() {
        super()
      }
      render() {
        return (
          <div>
            <h2>我今年{this.props.age}岁了</h2>
          </div>
        )
      }
    }
    ReactDOM.render(
      <Clock />,
      document.getElementById("render")
    )

  </script>
</body>

</html>